Three-dimensional antenna



FIG. 1 is a front perspective view of a three dimensional antennashowing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines in the figures illustrate environment only and form nopart of the claimed design.

CLAIM The ornamental design for a three dimensional antenna, as shown.